Platform bracket



FIG. 1 is a perspective view of a platform bracket showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines present in the figures are included for the purpose of illustrating portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a platform bracket, as shown and described. 